Young’s Double Slit Experiment
PHXII10:WAVE OPTICS

368089 In Young's double slit experiment, the distance of the \(n^{\text {th }}\) dark fringe from the centre is -

1 \(n\left(\dfrac{\lambda D}{2 d}\right)\)
2 \(n\left(\dfrac{2 d}{\lambda D}\right)\)
3 \((2 n-1) \dfrac{\lambda D}{2 d}\)
4 \((2 n-1) \dfrac{4 d}{\lambda D}\)
PHXII10:WAVE OPTICS

368090 In young’s double experiment, in air interference pattern second minimum is observed exactly infront of one slit. The distance between the two coherent source \(s\) is \(d\) and the distance between source and screen is \(D\). The wavelength of light source used is

1 \(\frac{{{d^2}}}{D}\)
2 \(\frac{{{d^2}}}{{2D}}\)
3 \(\frac{{{d^2}}}{{3D}}\)
4 \(\frac{{{d^2}}}{{4D}}\)
PHXII10:WAVE OPTICS

368091 In young's double slit experiment, the two slits are '\(d\)' distance apart. Interference pattern is observed on the screen at a distance '\(D\)' from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is

1 \(\dfrac{d^{2}}{D}\)
2 \(\dfrac{D^{2}}{d}\)
3 \(\dfrac{d^{2}}{2 D}\)
4 \(\dfrac{D^{2}}{2 d}\)
PHXII10:WAVE OPTICS

368092 In Young's double slit experiment, the intensity of light coming from one of the slits is doubled the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed is

1 34
2 40
3 25
4 38
PHXII10:WAVE OPTICS

368093 In a Young's double slit experiment, two slits are illuminated with a light of wavelength 800 nm . The line joining \(A_{1} P\) is perpendicular to \(A_{1} A_{2}\) as shown in the figure.
supporting img
If the first minimum is detected at \(P\), the value of slits separation '\(a\)' will be the distance of screen from slits \(D = 5\,cm.\)

1 \(0.5\,mm\)
2 \(0.2\,mm\)
3 \(0.1\,mm\)
4 \(0.4\,mm\)
PHXII10:WAVE OPTICS

368089 In Young's double slit experiment, the distance of the \(n^{\text {th }}\) dark fringe from the centre is -

1 \(n\left(\dfrac{\lambda D}{2 d}\right)\)
2 \(n\left(\dfrac{2 d}{\lambda D}\right)\)
3 \((2 n-1) \dfrac{\lambda D}{2 d}\)
4 \((2 n-1) \dfrac{4 d}{\lambda D}\)
PHXII10:WAVE OPTICS

368090 In young’s double experiment, in air interference pattern second minimum is observed exactly infront of one slit. The distance between the two coherent source \(s\) is \(d\) and the distance between source and screen is \(D\). The wavelength of light source used is

1 \(\frac{{{d^2}}}{D}\)
2 \(\frac{{{d^2}}}{{2D}}\)
3 \(\frac{{{d^2}}}{{3D}}\)
4 \(\frac{{{d^2}}}{{4D}}\)
PHXII10:WAVE OPTICS

368091 In young's double slit experiment, the two slits are '\(d\)' distance apart. Interference pattern is observed on the screen at a distance '\(D\)' from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is

1 \(\dfrac{d^{2}}{D}\)
2 \(\dfrac{D^{2}}{d}\)
3 \(\dfrac{d^{2}}{2 D}\)
4 \(\dfrac{D^{2}}{2 d}\)
PHXII10:WAVE OPTICS

368092 In Young's double slit experiment, the intensity of light coming from one of the slits is doubled the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed is

1 34
2 40
3 25
4 38
PHXII10:WAVE OPTICS

368093 In a Young's double slit experiment, two slits are illuminated with a light of wavelength 800 nm . The line joining \(A_{1} P\) is perpendicular to \(A_{1} A_{2}\) as shown in the figure.
supporting img
If the first minimum is detected at \(P\), the value of slits separation '\(a\)' will be the distance of screen from slits \(D = 5\,cm.\)

1 \(0.5\,mm\)
2 \(0.2\,mm\)
3 \(0.1\,mm\)
4 \(0.4\,mm\)
PHXII10:WAVE OPTICS

368089 In Young's double slit experiment, the distance of the \(n^{\text {th }}\) dark fringe from the centre is -

1 \(n\left(\dfrac{\lambda D}{2 d}\right)\)
2 \(n\left(\dfrac{2 d}{\lambda D}\right)\)
3 \((2 n-1) \dfrac{\lambda D}{2 d}\)
4 \((2 n-1) \dfrac{4 d}{\lambda D}\)
PHXII10:WAVE OPTICS

368090 In young’s double experiment, in air interference pattern second minimum is observed exactly infront of one slit. The distance between the two coherent source \(s\) is \(d\) and the distance between source and screen is \(D\). The wavelength of light source used is

1 \(\frac{{{d^2}}}{D}\)
2 \(\frac{{{d^2}}}{{2D}}\)
3 \(\frac{{{d^2}}}{{3D}}\)
4 \(\frac{{{d^2}}}{{4D}}\)
PHXII10:WAVE OPTICS

368091 In young's double slit experiment, the two slits are '\(d\)' distance apart. Interference pattern is observed on the screen at a distance '\(D\)' from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is

1 \(\dfrac{d^{2}}{D}\)
2 \(\dfrac{D^{2}}{d}\)
3 \(\dfrac{d^{2}}{2 D}\)
4 \(\dfrac{D^{2}}{2 d}\)
PHXII10:WAVE OPTICS

368092 In Young's double slit experiment, the intensity of light coming from one of the slits is doubled the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed is

1 34
2 40
3 25
4 38
PHXII10:WAVE OPTICS

368093 In a Young's double slit experiment, two slits are illuminated with a light of wavelength 800 nm . The line joining \(A_{1} P\) is perpendicular to \(A_{1} A_{2}\) as shown in the figure.
supporting img
If the first minimum is detected at \(P\), the value of slits separation '\(a\)' will be the distance of screen from slits \(D = 5\,cm.\)

1 \(0.5\,mm\)
2 \(0.2\,mm\)
3 \(0.1\,mm\)
4 \(0.4\,mm\)
PHXII10:WAVE OPTICS

368089 In Young's double slit experiment, the distance of the \(n^{\text {th }}\) dark fringe from the centre is -

1 \(n\left(\dfrac{\lambda D}{2 d}\right)\)
2 \(n\left(\dfrac{2 d}{\lambda D}\right)\)
3 \((2 n-1) \dfrac{\lambda D}{2 d}\)
4 \((2 n-1) \dfrac{4 d}{\lambda D}\)
PHXII10:WAVE OPTICS

368090 In young’s double experiment, in air interference pattern second minimum is observed exactly infront of one slit. The distance between the two coherent source \(s\) is \(d\) and the distance between source and screen is \(D\). The wavelength of light source used is

1 \(\frac{{{d^2}}}{D}\)
2 \(\frac{{{d^2}}}{{2D}}\)
3 \(\frac{{{d^2}}}{{3D}}\)
4 \(\frac{{{d^2}}}{{4D}}\)
PHXII10:WAVE OPTICS

368091 In young's double slit experiment, the two slits are '\(d\)' distance apart. Interference pattern is observed on the screen at a distance '\(D\)' from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is

1 \(\dfrac{d^{2}}{D}\)
2 \(\dfrac{D^{2}}{d}\)
3 \(\dfrac{d^{2}}{2 D}\)
4 \(\dfrac{D^{2}}{2 d}\)
PHXII10:WAVE OPTICS

368092 In Young's double slit experiment, the intensity of light coming from one of the slits is doubled the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed is

1 34
2 40
3 25
4 38
PHXII10:WAVE OPTICS

368093 In a Young's double slit experiment, two slits are illuminated with a light of wavelength 800 nm . The line joining \(A_{1} P\) is perpendicular to \(A_{1} A_{2}\) as shown in the figure.
supporting img
If the first minimum is detected at \(P\), the value of slits separation '\(a\)' will be the distance of screen from slits \(D = 5\,cm.\)

1 \(0.5\,mm\)
2 \(0.2\,mm\)
3 \(0.1\,mm\)
4 \(0.4\,mm\)
PHXII10:WAVE OPTICS

368089 In Young's double slit experiment, the distance of the \(n^{\text {th }}\) dark fringe from the centre is -

1 \(n\left(\dfrac{\lambda D}{2 d}\right)\)
2 \(n\left(\dfrac{2 d}{\lambda D}\right)\)
3 \((2 n-1) \dfrac{\lambda D}{2 d}\)
4 \((2 n-1) \dfrac{4 d}{\lambda D}\)
PHXII10:WAVE OPTICS

368090 In young’s double experiment, in air interference pattern second minimum is observed exactly infront of one slit. The distance between the two coherent source \(s\) is \(d\) and the distance between source and screen is \(D\). The wavelength of light source used is

1 \(\frac{{{d^2}}}{D}\)
2 \(\frac{{{d^2}}}{{2D}}\)
3 \(\frac{{{d^2}}}{{3D}}\)
4 \(\frac{{{d^2}}}{{4D}}\)
PHXII10:WAVE OPTICS

368091 In young's double slit experiment, the two slits are '\(d\)' distance apart. Interference pattern is observed on the screen at a distance '\(D\)' from the slits. First dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of the light is

1 \(\dfrac{d^{2}}{D}\)
2 \(\dfrac{D^{2}}{d}\)
3 \(\dfrac{d^{2}}{2 D}\)
4 \(\dfrac{D^{2}}{2 d}\)
PHXII10:WAVE OPTICS

368092 In Young's double slit experiment, the intensity of light coming from one of the slits is doubled the intensity from the other slit. The ratio of the maximum intensity to the minimum intensity in the interference fringe pattern observed is

1 34
2 40
3 25
4 38
PHXII10:WAVE OPTICS

368093 In a Young's double slit experiment, two slits are illuminated with a light of wavelength 800 nm . The line joining \(A_{1} P\) is perpendicular to \(A_{1} A_{2}\) as shown in the figure.
supporting img
If the first minimum is detected at \(P\), the value of slits separation '\(a\)' will be the distance of screen from slits \(D = 5\,cm.\)

1 \(0.5\,mm\)
2 \(0.2\,mm\)
3 \(0.1\,mm\)
4 \(0.4\,mm\)